CVE-2021-43032
lowpriority · track · 29EPSS 0.009 · 60 %ileexploit · PoCEUUSEPSS · scored 2026-10-28
In XenForo through 2.2.7, a threat actor with access to the admin panel can create a new Advertisement via the Advertising function, and save an XSS payload in the body of the HTML document. This payload will execute globally on the client side.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–4.8
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://github.com/SakuraSamuraii/CVE-2021-43032cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-43032cnnvd
- https://xenforo.com/community/forums/announcements/cnnvd
- https://xenforo.com/community/threads/xenforo-2-2-7-patch-1-and-importers-1-5-1-released.198197/Patchcnnvd
- https://github.com/SakuraSamuraii/CVE-2021-43032enisa_euvd
- https://xenforo.com/community/forums/announcements/enisa_euvd
- https://github.com/SakuraSamuraii/CVE-2021-43032ExploitThird Party Advisorynvd
- https://xenforo.com/community/forums/announcements/Release NotesVendor Advisorynvd
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